Pith Number

pith:HBHR6MEJ

pith:2023:HBHR6MEJRG2MOIGZPW37REYCHC

not attested not anchored not stored refs pending

FlexKnot and Gaussian Process for 21 cm global signal analysis and foreground separation

Anastasia Fialkov, Filippo Pagani, Henry Linton, Leiv R{\o}nneberg, Stefan Heimersheim

arxiv:2310.05608 v2 · 2023-10-09 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBHR6MEJRG2MOIGZPW37REYCHC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T07:24:55.340560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384f1f308989b4c720d97db7f89302389c312dfe512f6cc98a98b15ec7fbd99c

Aliases

arxiv: 2310.05608 · arxiv_version: 2310.05608v2 · doi: 10.48550/arxiv.2310.05608 · pith_short_12: HBHR6MEJRG2M · pith_short_16: HBHR6MEJRG2MOIGZ · pith_short_8: HBHR6MEJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HBHR6MEJRG2MOIGZPW37REYCHC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 384f1f308989b4c720d97db7f89302389c312dfe512f6cc98a98b15ec7fbd99c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "741b58407182079dffefd93dc39829c444aab424109269e9bf15191d8d9d7805",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-10-09T10:50:44Z",
    "title_canon_sha256": "5325ae16827c1f5e6bd4f950a5823de5d4cda552bba5df2cb15a2da5263c2c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.05608",
    "kind": "arxiv",
    "version": 2
  }
}